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  • Inconel 617nickel Chromium Cobalt Molybdenum Alloy - China

    price: contact company for price

    Inconel 617(UNS NO7617) nickel-chromium-cobalt- molybdenum alloy

    Features and applications overview: Inconel alloy 617 has excellent

    corrosion resistance in hot corrosion fields such as vulcanizing

    environment, especially in the environment of cycled oxidation and

    carbonization at 1100°C. With so excellent corrosion resistance and

    mechanical properties, this kind of alloy is particularly suitable for

    high temperature areas. The alloy has good transient and long-term

    mechanical properties at a high temperature up to 1100°C. This alloy is

    applied to the industrial and aviation turbine components, air heater,

    muffle tank, and radiation Museum, high temperature heat exchanger,

    valves and springs, the high temperature gas cooled nuclear reactors,

    high temperature components, such as nuclear reactors-helium/helium

    medium heat exchanger, chemical equipment, petrochemical spiral pipe and

    pipeline industry. Inconel617's similar grades:

    W.Nr.2.4663 NiCr23Co12Mo(Germany)

    Chemical composition, %:

    Nickel........................................balance

    Chromium..................................20.0-23.0

    Iron.............................................2.0 max

    Molybdenum...............................8.0-10.0

    Cobalt..........................................10.0-13.0

    Carbon........................................0.05-0.1

    Manganese..................................0.7 max

    Silicon..........................................0.7 max

    Sulfur...........................................0.008 max

    Phosphorus...................................0.012 max

    Aluminium....................................0.6-1.5

    Titanium........................................0.2-0.6

    Physical properties:

    Density, g/cm3 ..............................8.4

    Melting Range, °C....................1330-1380

    Thermal conductivity,

    λ/(W/m•°C), at 100°C .................13.4

    Specific heat, J/kg•°C...................420

    Elastic modulus, GPa...................212

    Electrical resistivity, μΩ•m..........1.22

    Coefficient of linear expansion,

    a/10-6°C-1, at 20-100°C........11.6

    Mechanical properties: (the minimum value detected at room temperature)

    Tensile strength, σb/MPa..........745

    Yield strength, σp0.2/MPa.....325

    Elongation, σ5 /%........................40

    Brinell hardness, HBS.................≥250

    The way of heat treatment is solution treatment

    The metallurgical structure of Inconel617:

    Inconel617 is of the face-centered cubic lattice structure with a good stability of the crystalline phase. Through solid-solution hardening, the alloy has excellent high-temperature strength. The alloy has no age hardening.

    The process performance and requirements of Inconel617:

    The hot working temperature of this alloy is 950 to 1200°C. The cooling method is water quenching or other rapid cooling ways. The materials shall put into when the the furnace's temperature up to the highest.

    The average size of the grain size of the alloy is closely related to the forging deformation degree and the final forging temperature.

    The oxides around the alloy's weld are more difficult to remove than those of stainless steel. For removing, both mechanical and chemical methods are favorable. Removing mechanically, the metal pollution and serious surface deformation shall be avoided. Prior to the pickling in a mixed acid of nitric acid and hydrofluoric acid, there is a need to remove the oxides with sandpaper or have a salt bath pretreatment.

    The alloy is suitable for welding, including tungsten electrode arc welding(GTAW/TIG), manual metal arc welding(GMAW/MIG), pulse arc welding and shielding gas arc welding.

    Inconel 617nickel Chromium Cobalt Molybdenum Alloy

    Please see our contact information below


    Company Contact:


    • Phone: 8602169925078

    • Address: 1355#,Chengbei road, Jiading District, Shanghai, Shanghai, China

    • Email: Email


    Published date: October 18, 2012 -

    • Business Description: involved in international trade import export of goods, products, and services

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